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All Patents of Type: cotton whippers
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
3,667XMar. 06, 1823W. HopkinsMachine for cleaning cotton, or cotton whippercotton whippers
4,849XAug. 10, 1827J. ReedSea island cotton cleanercotton whippers
6,016XJun. 04, 1830E. BakerRevolving cotton whippercotton whippers
6,162XOct. 01, 1830J.S. SimmonsCylindrical grate cotton whippercotton whippers
9,202XOct. 27, 1835L. OsgoodOblique cotton whippercotton whippers
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